Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Indefinite-lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | $ 755.0 | $ 772.0 |
| Accumulated Amortization | (742.5) | (740.8) |
| Net Carrying Amount | 12.5 | 31.2 |
| Gross Carrying Amount | 1,708.6 | 1,727.1 |
| Net Carrying Amount | 966.1 | 986.3 |
| Trade names and branding | ||
| Indefinite-lived Intangible Assets [Line Items] | ||
| Carrying Amount | 445.0 | 445.0 |
| Domain portfolio | ||
| Indefinite-lived Intangible Assets [Line Items] | ||
| Carrying Amount | 215.9 | 217.4 |
| Contractual-based assets | ||
| Indefinite-lived Intangible Assets [Line Items] | ||
| Carrying Amount | $ 292.7 | $ 292.7 |
| X | ||||||||||
- Definition Amount of accumulated amortization of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, before accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, after accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of indefinite-lived intangible asset. Excludes goodwill. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount, before accumulated amortization, of finite- and indefinite-lived intangible assets and capitalized cost for software to be sold, leased, or marketed. Excludes goodwill. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after accumulated amortization, of finite- and indefinite-lived intangible assets and capitalized cost for software to be sold, leased, or marketed. Excludes goodwill. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|